LiquidThreads builds an Article with a special page as a title, which was deprecated.
Req: /wiki/Special:NewMessages
Stack:
#4 /srv/mediawiki/php-1.36.0-wmf.29/includes/page/WikiPage.php(146): wfDeprecatedMsg(string, string) #5 /srv/mediawiki/php-1.36.0-wmf.29/includes/page/Article.php(138): WikiPage->__construct(Title) #6 /srv/mediawiki/php-1.36.0-wmf.29/includes/page/Article.php(125): Article->newPage(Title) #7 /srv/mediawiki/php-1.36.0-wmf.29/extensions/LiquidThreads/pages/SpecialNewMessages.php(30): Article->__construct(Title, integer) #8 /srv/mediawiki/php-1.36.0-wmf.29/includes/specialpage/SpecialPage.php(645): SpecialNewMessages->execute(NULL) #9 /srv/mediawiki/php-1.36.0-wmf.29/includes/specialpage/SpecialPageFactory.php(1405): SpecialPage->run(NULL) #10 /srv/mediawiki/php-1.36.0-wmf.29/includes/MediaWiki.php(310): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext) #11 /srv/mediawiki/php-1.36.0-wmf.29/includes/MediaWiki.php(944): MediaWiki->performRequest() #12 /srv/mediawiki/php-1.36.0-wmf.29/includes/MediaWiki.php(548): MediaWiki->main() #13 /srv/mediawiki/php-1.36.0-wmf.29/index.php(53): MediaWiki->run()